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Ilmin Museum of Art is a private art museum of South Korea, located on Sejongno street in Jongno-gu, a central district of Seoul, known for exhibiting mainly Korean art. The museum was established and run by the Ilmin Cultural Foundation (일민문화재단), a non-profit organization founded in 1994 in memory of Kim Sang-man (김상만 金相万 1910 ~ 1994), former president of Dong-A Ilbo, one of the major newspaper companies of South Korea. Kim devoted his entire life to developing Korean journalism and promoting Korean culture. The museum is named after his pen name, "Ilmin" (일민 一民, literally "one people"). On December, 1996, the museum opened as Ilmin Art Hall with 3 exhibition rooms in Dong-a Ilbo's previous location, built in 1926. The museum is based on the art collection of Ilmin acquired during his time. After undergoing a one-year renovation, the museum reopened on February, 2002. The building has five stories and the 650 m² facility. Ilmin Museum of Art also runs the only documentary archive of South Korea.

Gwanghwamun Station is a station on the Seoul Subway Line 5 in South Korea. It is not the closest subway station to the actual gate of Gwanghwamun, which it is named after. It is located next to the U.S. Embassy in Seoul. This station boasts the most traffic of all Line 5 stations.

The Downtown Seoul (Korean: 서울 도심, 서울 도심부, 서울 시내) is traditional city center and central business district of Seoul, located through Gwanghwamun of Jongno District and Seoul Station of Jung District. For its time-honored and unique geographic status in Seoul, the Downtown is usually called as 'The Central Business District (CBD)', or somtimes as 'Gwanghwamun Business District (GBD)' for outstanding landmark 'Gwanghwamun' at the heart of it.

The Third Battle of Seoul, also known as the Chinese New Year's Offensive, the January–Fourth Retreat (Korean: 1•4 후퇴) or the Third Phase Campaign Western Sector (Chinese: 第三次战役西线; pinyin: Dì Sān Cì Zhàn Yì Xī Xiàn), was a battle of the Korean War, which took place from December 31, 1950, to January 7, 1951, around the South Korean capital of Seoul. In the aftermath of the major Chinese People's Volunteer Army (PVA) victory at the Battle of the Ch'ongch'on River, the United Nations Command (UN) started to contemplate the possibility of evacuation from the Korean Peninsula. Chinese Communist Party chairman Mao Zedong ordered the Chinese People's Volunteer Army to cross the 38th Parallel in an effort to pressure the UN forces to withdraw from South Korea. On December 31, 1950, the Chinese 13th Army attacked the Republic of Korea Army (ROK)'s 1st, 2nd, 5th and 6th Infantry Divisions along the 38th Parallel, breaching UN defenses at the Imjin River, Hantan River, Gapyeong and Chuncheon in the process. To prevent the PVA forces from overwhelming the defenders, the US Eighth Army now under the command of Lieutenant General Matthew B. Ridgway evacuated Seoul on January 3, 1951. Although PVA forces captured Seoul by the end of the battle, the Chinese invasion of South Korea galvanized the UN support for South Korea, while the idea of evacuation was soon abandoned by the UN Command. At the same time, the PVA were exhausted after months of nonstop fighting since the start of the Chinese intervention, thereby allowing the UN forces to regain the initiative in Korea.

The climate of Seoul features a humid continental climate with dry winter, called "Dwa" in the Köppen climate classification. Seoul is classed as having a temperate climate with four distinct seasons, but temperature differences between the hottest part of summer and the depths of winter are extreme. In summer the influence of the North Pacific high-pressure system brings hot, humid weather with temperatures soaring as high as 35 °C (95 °F) on occasion. In winter the city is topographically influenced by expanding Siberian High-pressure zones and prevailing west winds, temperatures dropping almost as low as -20 °C (-4 °F) in severe cold waves. The bitterly cold days tend to come in three-day cycles regulated by rising and falling pressure systems. The most pleasant seasons for most people in the city are spring and autumn, when azure skies and comfortable temperatures are typical. Most of Seoul's precipitation falls in the summer monsoon period between June and September, as a part of East Asian monsoon season.

Cheongjinok (Korean: 청진옥) is a historic Korean restaurant in Cheongjin-dong, Jongno District, Seoul, South Korea. It is the sixth-oldest active restaurant in Seoul, having been founded in 1937. It specializes in the hangover soup dish haejang-guk. In 2013, it was made a Seoul Future Heritage in recognition of its historical value and quality.

AlphaGo versus Lee Sedol, also known as the Google DeepMind Challenge Match, was a five-game Go match between top Go player Lee Sedol and AlphaGo, a computer Go program developed by Google DeepMind, played in Seoul, South Korea between 9 and 15 March 2016. AlphaGo won all but the fourth game; all games were won by resignation. The match has been compared with the historic chess match between Deep Blue and Garry Kasparov in 1997. The winner of the match was slated to win $1 million. Since AlphaGo won, Google DeepMind stated that the prize will be donated to charities, including UNICEF, and Go organisations. Lee received $170,000 ($150,000 for participating in the five games and an additional $20,000 for winning one game).After the match, The Korea Baduk Association awarded AlphaGo the highest Go grandmaster rank – an "honorary 9 dan". It was given in recognition of AlphaGo's "sincere efforts" to master Go. This match was chosen by Science as one of the Breakthrough of the Year runners-up on 22 December 2016.

The Chohong Museum of Finance is a numismatics museum in Seoul, South Korea. It was created in 1997 by the Chohung Bank, which called itself the oldest bank in Korea. The museum's collections were acquired by Shinhan Bank, which renamed the museum the Korea Financial History Museum. "The Museum of Korean Financial History collects, preserves and exhibits historic materials of Shinhan. Bank and, on a broader level, Korean financial ..."

Gwanghwamun Plaza (Korean: 광화문광장; Hanja: 光化門廣場, also known as Gwanghwamun Square) is a public open space on Sejongno, Jongno-gu, Seoul, South Korea. The plaza was opened on 1 August 2009 by the Seoul Metropolitan Government and is part of the City's plans for environmentally friendly renovation projects such as the Cheonggye Stream and Seoul Plaza. It is also historically significant as the location of royal administrative buildings, known as Yukjo-geori or Street of Six Ministries; and features statues of Admiral Yi Sun-sin of Joseon Dynasty and King Sejong the Great of Joseon. The goal of opening and reconstructing this plaza is to make it a historical and cultural place for the common citizen.

The Embassy of the United States in Seoul is the embassy of the United States in the Republic of Korea (South Korea), in the capital city of Seoul. The embassy is charged with diplomacy and South Korea–United States relations. The United States Ambassador to Korea is the head of the diplomatic mission of the United States to South Korea.

Cheongjin-dong is a dong, neighbourhood of Jongno-gu in Seoul, South Korea. It is a legal dong (법정동 法定洞) administered under its administrative dong (행정동 行政洞), Jongno.

Sontag Hotel (Korean: 손탁 호텔) was the first European hotel in Korea. It was built in 1902, in Jung District, Seoul, Korean Empire. The hotel was sold in 1917 and eventually demolished in 1922.The 25-room hotel was bestowed to a German Russian, Antoinette Sontag, by Emperor Gojong. She was the sister-in-law of the Russian ambassador, Karl Waeber. It is said that she could speak German, Russian, English and also some Korean, gaining wider acknowledgement from the royal family. However, she was almost expelled from Korea when Japan's influence in Korea grew. In September 1909, J. Boher assumed ownership of the hotel.